Home / 1,107,937.82-1,661,873.91-459,448.58

Finding the Fourth Proportional to 1,107,937.82, 1,661,873.91 and 459,448.58

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Solution

The fourth proportional to 1,107,937.82, 1,661,873.91 and 459,448.58 is: 689,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,937.82 : 1,661,873.91 = 459,448.58 : x
  2. Step 2: Convert to fraction form
    1,107,937.82/1,661,873.91 = 459,448.58/x
  3. Step 3: Cross multiply
    1,107,937.82x = 1,661,873.91 × 459,448.58
  4. Step 4: Simplify right side
    1,107,937.82x = 763,545,599,779.18
  5. Step 5: Solve for x
    x = 763,545,599,779.18/1,107,937.82
  6. Step 6: Final answer
    x = 689,159.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.